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Finding the Fourth Proportional to 79,813.28, 110,140.48 and 44,002.48

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Solution

The fourth proportional to 79,813.28, 110,140.48 and 44,002.48 is: 60,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,813.28 : 110,140.48 = 44,002.48 : x
  2. Step 2: Convert to fraction form
    79,813.28/110,140.48 = 44,002.48/x
  3. Step 3: Cross multiply
    79,813.28x = 110,140.48 × 44,002.48
  4. Step 4: Simplify right side
    79,813.28x = 4,846,454,268.39
  5. Step 5: Solve for x
    x = 4,846,454,268.39/79,813.28
  6. Step 6: Final answer
    x = 60,722.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.